John Barclay was an Anglican clergyman who came to Virginia by 1756 and was for a brief time in charge of Cumberland Parish, Lunenburg County. Some time before 12 Oct. 1760 he was appointed to All Hallows Parish, Anne Arundel County, Md., and in 1763 to St. Luke’s Parish, Queen Anne County, Md. In 1761 Barclay was named one of the commissioners to run the line between Maryland and Pennsylvania. On 4 May 1768, he married Rachel Goldsborough, daughter of Nicholas and Sarah Goldsborough of Maryland (rightmyer description begins Nelson Waite Rightmyer. Maryland’s Established Church. Baltimore, 1956. description ends , 158–59).

Robert Mease (or Maze) was an Alexandria merchant and a partner in the mercantile firm of McCrea & Mease.